Base | Representation |
---|---|
bin | 1100001110011… |
… | …1101100101011 |
3 | 10120111022212120 |
4 | 3003213230223 |
5 | 101111440213 |
6 | 5031042323 |
7 | 1161610236 |
oct | 303475453 |
9 | 116438776 |
10 | 51280683 |
11 | 26a45a33 |
12 | 152103a3 |
13 | a8162cc |
14 | 6b4c41d |
15 | 477e423 |
hex | 30e7b2b |
51280683 has 8 divisors (see below), whose sum is σ = 68418000. Its totient is φ = 34165248.
The previous prime is 51280681. The next prime is 51280693. The reversal of 51280683 is 38608215.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 51280683 - 21 = 51280681 is a prime.
It is not an unprimeable number, because it can be changed into a prime (51280681) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143 + ... + 10191.
It is an arithmetic number, because the mean of its divisors is an integer number (8552250).
Almost surely, 251280683 is an apocalyptic number.
51280683 is a deficient number, since it is larger than the sum of its proper divisors (17137317).
51280683 is a wasteful number, since it uses less digits than its factorization.
51280683 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10941.
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 51280683 is about 7161.0532046620. The cubic root of 51280683 is about 371.5220550057.
Adding to 51280683 its reverse (38608215), we get a palindrome (89888898).
The spelling of 51280683 in words is "fifty-one million, two hundred eighty thousand, six hundred eighty-three".
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